1 : a branch of science concerned with the interrelationship of organisms and their environments. 2 : the totality or pattern of relations between organisms and their environment. 3 : human ecology. 4 : environment, climate the moral ecology; also : an often delicate or intricate system or complex the ecology of language.
published its Final Rule in the Federal Register placing tramadol into Schedule IV effective August 18, 2014. (Tramadol is a centrally acting opioid analgesic first approved for use in the U.S. in 1995 under the name âUltramâ.
Schedule 4 (IV) Drugs. The drug has a low potential for abuse relative to the drugs in schedule 3 The drug has a currently accepted medical use in treatment in the United States. Abuse of the drug may lead to limited physical dependence or psychological dependence relative to the drugs in schedule 3. The following drugs are listed as Schedule 4 (IV) Drugs by the Controlled Substances Act (CSA):